Abstract
Large cystic mass is an unusual presentation of papillary thyroid carcinoma, accounting for less than 10% of cases. To make a diagnosis of papillary thyroid carcinoma is challenging since the tumour can mimic a benign lateral neck mass. Therefore, a systematical approach to a patient with neck lump is required so that accurate diagnosis and appropriate treatment can be made. We present a case of a 25-year-old female presenting with an asymptomatic left neck cystic mass diagnosed as a metastatic lymph node of papillary thyroid carcinoma only after surgery.
 Bangladesh J Otorhinolaryngol; April 2021; 27(1): 92-95
Highlights
Neck swelling is one of the most common chief complaint in otolaryngology department and may represent a diagnostic challenge
Most of the lateral neck cystic swellings are proven to be benign in 90% of patients in the young adult age[1] and the most common differential diagnosis of a cystic lateral neck mass is brachial cleft cyst[3]
More than 75% of lateral neck masses in population older than 40 years old are caused by malignant tumour and the incidence of neoplastic cervical lymphadenopathy continues to increase with age[5]
Summary
Dayang Anis Asyikin Ahmad Nazari[1,2], Mohamad Khir Abdullah[1], Noorizan Yahya[1], Siti HalimahtunSahab[1], Loo Lit Yee[1], Mohd. Razif Bin Mohamad Yunus[2]
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